39 lines
906 B
Ruby
39 lines
906 B
Ruby
# frozen_string_literal: true
|
|
|
|
module Ezdoc
|
|
module Nodes
|
|
class Image < Base
|
|
attr_reader :path, :width_emu, :height_emu, :rid, :filename
|
|
|
|
EMUS_PER_INCH = 914_400
|
|
EMUS_PER_CM = 360_000
|
|
DEFAULT_DPI = 96
|
|
|
|
def initialize(path, rid:, width_emu:, height_emu:)
|
|
super()
|
|
@path = path
|
|
@rid = rid
|
|
@width_emu = width_emu
|
|
@height_emu = height_emu
|
|
@filename = "image#{rid.delete_prefix("rId")}.#{extension}"
|
|
end
|
|
|
|
def extension
|
|
case File.extname(@path).downcase
|
|
when ".png" then "png"
|
|
when ".jpg", ".jpeg" then "jpeg"
|
|
else raise ArgumentError, "Unsupported image format: #{File.extname(@path)}"
|
|
end
|
|
end
|
|
|
|
def content_type
|
|
extension == "png" ? "image/png" : "image/jpeg"
|
|
end
|
|
|
|
def doc_pr_id
|
|
rid.delete_prefix("rId").to_i
|
|
end
|
|
end
|
|
end
|
|
end
|